28154962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12671}}^1$

素因数の和:12785

約数の個数: 16

約数和(自身を含む): 46531584

約数和(自身を除く): 18376622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12671, 25342, 139381, 278762, 1279771, 2559542, 14077481, 28154962]

約数ペア:

[(1, 28154962), (2, 14077481), (11, 2559542), (22, 1279771), (101, 278762), (202, 139381), (1111, 25342), (2222, 12671)]